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Forests Growth Monitoring Based on Tree Canopy 3D Reconstruction Using UAV Aerial Photogrammetry
UAV aerial photography forest monitoring canopy 3D model
2024/1/22
Land cover monitoring is a major task for remote sensing. Compared to traditional methods of forests monitoring which mostly use orthophotography from satellites or aircraft, there is very little rese...
Evaluation of a UAV-mounted consumer grade camera with different spectral modifications and two handheld spectral sensors for rapeseed growth monitoring: performance and influencing factors
Modified consumer grade camera Unmanned aerial vehicle (UAV) Field-based hyperspectral data GreenSeeker crop sensor Image quality Band combination
2024/1/19
The objective of this study was to evaluate the crop monitoring performance of a consumer-grade camera with non-modified and modified spectral ranges which are commonly used in low-altitude unmanned a...
Soil moisture gradients and climate change: predicting growth of a critical boreal tree species
drought dendrochronology hierarchical Bayes jack pine tree rings
2023/12/18
Understanding the complex relationships among climate, tree growth, and water availability is key for predicting the performance of environmentally and economically salient tree species like Pinus ban...
Single Tree Classification Using Multi-Temporal ALS Data and CIR Imagery in Mixed Old-Growth Forest in Poland
tree species classification airborne laser scanning (ALS) colour-infrared (CIR) aerial images multi-temporal data individual tree random forest (RF)
2023/12/5
Tree species classification is important for a variety of environmental applications, including biodiversity monitoring, wildfire risk assessment, ecosystem services assessment, and sustainable forest...
The Historical Complexity of Tree Height Growth Dynamic Associated with Climate Change in Western North America
height growth site index global climate change species range species characteristics species ecological amplitude geographic locations western North America
2023/12/1
The effect of climate on tree growth has received increased interest in the context of climate change. However, most studies have been limited geographically and with respect to species. Here, sixteen...
Nonlinear Mixed Effect Model Used in a Simulation of the Impact of Climate Change on Height Growth of?Cyclobalanopsis glauca
RegCM downscaling climate sensitive tree species nonlinear mixed effect model height growth of tree tree species diversity
2023/12/1
Localized climate is sensitive to terrain, underlying surface material, building distribution, green coverage and CO2?emissions. The Regional Climate Model (RegCM) was used to make a statistical detai...
Effect of Climate on Carbon Storage Growth Models for Three Major Coniferous Plantations in China Based on National Forest Inventory Data
carbon storage carbon sequestration capacity variable parameter growth model climatic factor
2023/11/30
Forest inventory data (FID) are important resources for understanding the dynamics of forest carbon cycling at regional and global scales. Developing carbon storage growth models and analyzing the dif...
Prediction of Wildfire Fuel Load for Pinus densiflora Stands in South Korea Based on the Forest-Growth Model
canopy fuel characteristics diameter distribution model forest management Pinus densiflora
2023/11/20
A prediction model was developed for the wildfire fuel load of Korean red pine (Pinus densiflora) stands with susceptibility to forest fire based on the forest-growth model. Furthermore, a time-series...
Growth-mortality attributes and species composition determine carbon sequestration and dynamics of old stand types in the Acadian Forest of New Brunswick, Canada
Permanentsampleplot Biomass Speciesmix Mortality Netcarbonchange Openstandmodel
2024/2/28
Key messageWe used 20years of plot data to analyze the influence of tree growth-mortality balance and species mix on the potential of old stands to sequester carbon from the atmosphere and store carbo...
Modelling of tree diameter growth using growth functions parameterised by least squares and Bayesian methods
growth function nonlinear least squares Bayes diameter estimation
2015/4/14
The purpose of this paper is to present a new growth and yield function (denoted as KM-function), which was empirically derived from the cumulative density function of the Kumaraswamy probability dist...
The effect of different stand density on diameter growth response in Scots pine stands in relation to climate situations
diameter growth Pinus sylvestris precipitation temperature thinning
2015/3/19
The effect of stand density on the resistance of Scots pine (Pinus sylvestris L.) to climatic stress and subsequent response of diameter increment were investigated using data gathered from six long-t...
Growth and development of silver fir (Abies alba Mill.) regeneration and restoration of the species in the Karkonosze Mountains
natural regeneration planting light biometric measurements
2015/3/12
The main task of the study was to investigate the growth conditions of silver fir natural regeneration in the Karkonosze Mts. (Poland). The paper examines the quantity and quality of light reaching th...
Changes in trends of the height growth of spruce and pine derived from continuous measurements in forest management plans of Kostelec nad Černymi lesy and on pilot research plots in the Czech Republic
spruce pine mean stand height height growth trends current and mean height increment stand age year forest vegetation zones forest management plan (FMP) pilot research plots (PRP)
2015/2/2
In changing growth conditions, methodical procedures should concentrate on the investigation of processes currently under way in forests. Many studies have shown that present models of forest growth p...
Scarification for Promoting Sustainable Resource Management of Betula maximowicziana in a Second-growth Forest
Betula maximowicziana hydraulic excavator regeneration scarification sustainable resource management
2009/8/24
To test the utility of scarification to promote sustainable management of Betula maximowicziana resources in a second-growth forest established after a forest fire, an area of 0.27 ha was clear-cut an...
Assessing the relative quality of old-growth forest：An example from the Robson Valley, British Columbia
coarse woody debris conservation forest cover age class forest management older forest
2009/2/11
Forest planners in British Columbia are required to identify forests suitable for designation as Old-Growth Management Areas. However, the tools currently in use lack the ability to identify appropria...